138670000
138,670,000 is an even composite number composed of four prime numbers multiplied together.
138670000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred fifty divisors.
Prime factorization of 138670000:
24 × 54 × 72 × 283
(2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 7 × 7 × 283)See below for interesting mathematical facts about the number 138670000 from the Numbermatics database.
Names of 138670000
- Cardinal: 138670000 can be written as One hundred thirty-eight million, six hundred seventy thousand.
Scientific notation
- Scientific notation: 1.3867 × 108
Factors of 138670000
Divisors of 138670000
- Number of divisors d(n): 150
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 25 28 35 40 49 50 56 70 80 98 100 112 125 140 175 196 200 245 250 280 283 350 392 400 490 500 560 566 625 700 784 875 980 1000 1132 1225 1250 1400 1415 1750 1960 1981 2000 2264 2450 2500 2800 2830 3500 3920 3962 4375 4528 4900 5000 5660 6125 7000 7075 7924 8750 9800 9905 10000 11320 12250 13867 14000 14150 15848 17500 19600 19810 22640 24500 27734 28300 30625 31696 35000 35375 39620 49000 49525 55468 56600 61250 69335 70000 70750 79240 98000 99050 110936 113200 122500 138670 141500 158480 176875 198100 221872 245000 247625 277340 283000 346675 353750 396200 490000 495250 554680 566000 693350 707500 792400 990500 1109360 1238125 1386700 1415000 1733375 1981000 2476250 2773400 2830000 3466750 3962000 4952500 5546800 6933500 8666875 9905000 13867000 17333750 19810000 27734000 34667500 69335000 138670000
- Sum of all divisors σ(n): 391927668
- Sum of proper divisors (its aliquot sum) s(n): 253257668
- 138670000 is an abundant number, because the sum of its proper divisors (253257668) is greater than itself. Its abundance is 114587668
Bases of 138670000
- Binary: 10000100001111101111101100002
- Hexadecimal: 0x843EFB0
- Base-36: 2AK6GG
Squares and roots of 138670000
- 138670000 squared (1386700002) is 19229368900000000
- 138670000 cubed (1386700003) is 2666536585363000000000000
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The
square root of 138670000 is 11775.8226888825 -
The
cube root of 138670000 is 517.5998858121
Scales and comparisons
How big is 138670000?- 138,670,000 seconds is equal to 4 years, 21 weeks, 1 day, 23 hours, 26 minutes, 40 seconds.
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To count from 1 to 138,670,000 would take you about six years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 138670000 cubic inches would be around 43.1 feet tall.
Recreational maths with 138670000
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